# Professor Index vs CramMap

The clearest difference is update cadence: CramMap at every 4 days against Professor Index's monthly. Professor Index's advantage is iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Professor Index ships an update monthly, CramMap every 4 days. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Professor Index | CramMap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (59 ratings)](https://appshunter.io/ios/app/professor-index/id6476449470/reviews)** | — |
| Number of ratings | **59** | — |
| Positive reviews | 88.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free | — |
| Size | 57 MB | 18 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Professor Index, LLC](https://appshunter.io/developer/1725377550) | [Shouryajeet Walia](https://appshunter.io/developer/1886046206) |

## What reviewers say

### Professor Index

[App page](https://appshunter.io/ios/app/professor-index/id6476449470)

This app allows college students to rate and review professors and courses, providing insights into teaching effectiveness and course relevance. Students can compare professor profiles and make informed enrollment decisions based on peer feedback.

**Highlights:** Rate and review professors, Get feedback on future professors, Compare professor profiles, Make data-informed enrollment decisions, Gamified review incentives

**Features:** Vision Pro support

**In-app purchases:** none


### CramMap

[App page](https://appshunter.io/ios/app/crammap/id6761789389)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Professor Index free?

Professor Index is free to download, with no in-app purchases.

### Is CramMap free?

CramMap is free to download, with no in-app purchases.

### Do Professor Index or CramMap have ads?

Neither Professor Index nor CramMap shows ads.

### Which is updated more often, Professor Index or CramMap?

Professor Index ships an update monthly, and CramMap every 4 days. Most recently, Professor Index was updated on October 30, 2026 and CramMap on November 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*